Home / 36,164.43-49,909.73-20,855.90

Finding the Fourth Proportional to 36,164.43, 49,909.73 and 20,855.90

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Solution

The fourth proportional to 36,164.43, 49,909.73 and 20,855.90 is: 28,782.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,164.43 : 49,909.73 = 20,855.90 : x
  2. Step 2: Convert to fraction form
    36,164.43/49,909.73 = 20,855.90/x
  3. Step 3: Cross multiply
    36,164.43x = 49,909.73 × 20,855.90
  4. Step 4: Simplify right side
    36,164.43x = 1,040,911,984.08
  5. Step 5: Solve for x
    x = 1,040,911,984.08/36,164.43
  6. Step 6: Final answer
    x = 28,782.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.